<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="关键词" prop="keyWordName">
        <el-input
          v-model="queryParams.keyWordName"
          placeholder="请输入关键词名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="编码" prop="keyWordCode">
        <el-input
          v-model="queryParams.keyWordCode"
          placeholder="请输入关键词编码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="分类" prop="keyWordClass">
        <el-input
          v-model="queryParams.keyWordClass"
          placeholder="请输入关键词分类"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="keyWordStatus">
        <el-select 
          v-model="queryParams.status"
          placeholder="请选择关键词状态"
          clearable
          @keyup.enter.native="handleQuery"
        >
          <el-option label="启用" value="1"></el-option>
          <el-option label="停用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['courseSelect:keyWord:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['courseSelect:keyWord:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['courseSelect:keyWord:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['courseSelect:keyWord:export']"
        >导出</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
          v-hasPermi="['system:honor:import']"
        >导入</el-button>
      </el-col>

      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="keyWordList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="关键词id" align="center" prop="keyWordId" /> -->
      <el-table-column label="关键词名称" align="center" prop="keyWordName" />
      <el-table-column label="关键词编码" align="center" prop="keyWordCode" />
      <el-table-column label="关键词类型" align="center" prop="keyWordType" />
      <el-table-column label="关键词分类" align="center" prop="keyWordClass" />
      <!-- <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          {{ scope.row.status == 0 ? '停用' : (scope.row.status == 1 ? '启用' : '未知状态') }}
        </template>
      </el-table-column> -->
      <el-table-column label="状态" align="center" prop="status" v-if="columns[0].visible">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            active-value="1"
            inactive-value="0"
            @change="handleStatusChange(scope.row)"
          ></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['courseSelect:keyWord:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['courseSelect:keyWord:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 用户导入对话框 -->
<el-dialog :title="upload.title" :visible.sync="upload.open" width="400px">
  <el-upload
	ref="upload"
	:limit="1"
	accept=".xlsx, .xls"
	:headers="upload.headers"
	:action="upload.url + '?updateSupport=' + upload.updateSupport"
	:disabled="upload.isUploading"
	:on-progress="handleFileUploadProgress"
	:on-success="handleFileSuccess"
	:auto-upload="false"
	drag
  >
	<i class="el-icon-upload"></i>
	<div class="el-upload__text">
	  将文件拖到此处，或
	  <em>点击上传</em>
	</div>
	<div class="el-upload__tip" slot="tip">
	  <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
	  <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
	</div>
	<div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
  </el-upload>
  <div slot="footer" class="dialog-footer">
	<el-button type="primary" @click="submitFileForm">确 定</el-button>
	<el-button @click="upload.open = false">取 消</el-button>
  </div>
</el-dialog>


    <!-- 添加或修改关键词对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="名称" prop="keyWordName">
          <el-input v-model="form.keyWordName" placeholder="请输入关键词名称" />
        </el-form-item>
        <el-form-item label="编码" prop="keyWordCode">
          <el-input v-model="form.keyWordCode" placeholder="请输入关键词编码" />
        </el-form-item>
        <el-form-item label="分类" prop="keyWordClass">
          <el-input v-model="form.keyWordClass" placeholder="请输入关键词分类" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listKeyWord, getKeyWord, delKeyWord, addKeyWord, updateKeyWord, changeKeyWordStatus } from "@/api/courseSelect/keyWord";
import { getToken } from "@/utils/auth";

export default {
  name: "KeyWord",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 关键词表格数据
      keyWordList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        keyWordName: null,
        keyWordCode: null,
        keyWordType: null,
        keyWordClass: null,
        status: null
      },
            // 用户导入参数
            upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/courseSelect/keyWord/importData"
      },
      // 列信息
      columns: [
        { key: 0, label: '状态', visible: true}
      ],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        keyWordName: [
          { required: true, message: "关键词名称不能为空", trigger: "blur" }
        ],
        keyWordCode: [
          { required: true, message: "关键词编码不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "0 停用 1 启用不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询关键词列表 */
    getList() {
      this.loading = true;
      listKeyWord(this.queryParams).then(response => {
        this.keyWordList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        keyWordId: null,
        keyWordName: null,
        keyWordCode: null,
        keyWordType: null,
        keyWordClass: null,
        updateTime: null,
        createTime: null,
        status: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.keyWordId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加关键词";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const keyWordId = row.keyWordId || this.ids
      getKeyWord(keyWordId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改关键词";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.keyWordId != null) {
            updateKeyWord(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addKeyWord(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const keyWordIds = row.keyWordId || this.ids;
      this.$modal.confirm('是否确认删除关键词编号为"' + keyWordIds + '"的数据项？').then(function() {
        return delKeyWord(keyWordIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('courseSelect/keyWord/export', {
        ...this.queryParams
      }, `keyWord_${new Date().getTime()}.xlsx`)
    },
        // 用户状态修改
        handleStatusChange(row) {
      let text = row.status === "1" ? "启用" : "停用";
      this.$modal.confirm('确认要"' + text + '""' + row.keyWordName + '"关键词吗？').then(function() {
        return changeKeyWordStatus(row.keyWordId, row.status);
      }).then(() => {
        this.$modal.msgSuccess(text + "成功");
      }).catch(function() {
        row.status = row.status === "0" ? "1" : "0";
      });
    },
    /** 导入按钮操作 */
handleImport() {
  this.upload.title = "用户导入";
  this.upload.open = true;
},
    /** 下载模板操作 */
    importTemplate() {
      this.download('courseSelect/keyWord/importTemplate', {
      }, `keyword_template_${new Date().getTime()}.xlsx`)
    },
// 文件上传中处理
handleFileUploadProgress(event, file, fileList) {
  this.upload.isUploading = true;
},
// 文件上传成功处理
handleFileSuccess(response, file, fileList) {
  this.upload.open = false;
  this.upload.isUploading = false;
  this.$refs.upload.clearFiles();
  this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
  this.getList();
},
// 提交上传文件
submitFileForm() {
  this.$refs.upload.submit();
}

  }
};
</script>
